<!DOCTYPE html>
<html>

	<head>
		<meta charset="UTF-8">
		<title></title>
		<style>
			* {
				margin: 0;
				padding: 0;
			}
			
			div {
				width: 100px;
				height: 100px;
				background: red;
				position: absolute;
			}
		</style>
	</head>

	<body>
		<div></div>
		  <script src="bundle.js"></script>

	</body>

</html>